A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

John can eat 27 chocolates in an hour, Jacob can eat 2 chocolates in 10 minutes, and Jolly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a box of 120 chocolates whilst playing Chess?

A man dies of old age on his 25 birthday. How is this possible?

If you say my name, I will no longer exist. What am I?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111